INGREDIENTS
1
Egg, large
1/2 cup
Mayonnaise
1 tsp
Baking soda
1/2 cup
Cocoa powder
1/3 cup
Cocoa powder, natural unsweetened
1 1/2 cups
Confectioners sugar
1 1/4 cups
Flour
1 cup
Granulated sugar
1/2 tsp
Salt
2 tsp
Vanilla
4 tbsp
Butter
1/3 cup
Sour cream
3/4 cup
Water